business magazine " forbes" has named barack obama as the world's most powerful person in its annual rankings. german chancellor angela merkel is in second place while russian president vladimir putin is in third. >> in the wake of the typhoon, the philippines is calling on united nations negotiators to do more about climate change and global warming. >> representatives from nearly 200 countries are gathered for a summit on the environment. they hope to find ways to lower emissions worldwide. >> but there are deep divisions, and many expect there will not be any results from the talks, which and tomorrow. >> dw spoke earlier to the head of the u.n. environment program and we asked him if anything at all could come out of this conference. >> we still have to give you a days ago, and i believe there will be a number of outcomes. the green climate fund, the kyoto protocol extension -- these are fundamental building blocks of an international climate process, but ever since copenhagen, we are pursuing a search for a new framework for global climate cooperation, and doha in itself will no